SpaceTime Series 28 Episode 17
The Astronomy, Space and Science News Podcast
Volcanic Activity on Io, Ceres and the Building Blocks of Life, and New Exoplanet Search Technology
In this episode of SpaceTime, we explore the astonishing discovery of the largest volcanic hotspot ever observed on Jupiter's moon, Io. NASA's Juno mission reveals a feature that dwarfs Earth's Lake Superior and produces eruptions with six times the energy output of all the world's power plants. This unprecedented volcanic activity is driven by intense gravitational interactions with Jupiter, resulting in a dynamic landscape riddled with approximately 400 volcanoes.
The Mystery of Ceres' Organic Compounds
We also delve into new findings regarding the dwarf planet Ceres, where scientists have determined that organic deposits on its surface likely did not originate from its interior. Instead, these building blocks of life may have arrived through impacts from meteoroids, raising questions about the origins of life-sustaining compounds in our solar system.
Advancements in Exoplanet Detection Technology
Additionally, we discuss the latest advancements in technology designed to search for Earth-like exoplanets. The newly developed coronagraph for NASA's Nancy Grace Roman Space Telescope will significantly enhance our ability to directly image distant planets by blocking out starlight, paving the way for future missions aimed at identifying habitable worlds beyond our solar system.
00:00 Space Time Series 28 Episode 17 for broadcast on 7 February 2025
00:49 Discovery of a massive volcanic hotspot on Io
06:30 Insights into organic compounds on Ceres
12:15 New technology for exoplanet detection
18:00 Omega-3 fatty acids and biological aging
22:45 Infants' sense of smell development
27:00 Tasmania's tallest trees documented
30:15 Flat Earth theory and recent Antarctic explorations
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✍️ Episode References
NASA
https://www.nasa.gov
Nature
https://www.nature.com
Journal of Geophysical Research
https://agupubs.onlinelibrary.wiley.com/journal/21699356
Journal of Astrobiology
https://www.journals.elsevier.com/astrobiology
Australian Journal of Biology

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